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33. Astragalus sect. Erionotus Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 32. 1868.
毛被组 mao bei zu
Plants acaulescent to caulescent, with basifixed white hairs. Leaflets always in pairs, adaxially with long, flexuous, cottonlike hairs (when mature sometimes falling as a whole and then leaflets adaxially nearly glabrous). Calyx campanulate to tubular. Petals hairy (in Chinese species) or glabrous. Legumes mostly small.
Twenty-five species: Afghanistan, NW China, N Pakistan; C Asia, SW Asia (Iran); two species in China.
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Keel 12-18 mm, limbs obliquely elliptic to triangular, 4-6 mm; calyx tube ca. 10 mm; style below stigma with minute nipplelike hairs. |
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233 A. floccosifolius |
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Keel 14-22 mm, limbs narrowly elliptic, 8-10 mm; calyx tube 10-16 mm; style below stigma glabrous. |
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234 A. lanuginosus |
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